cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A289205 a(1) = a(2) = a(3) = 1, a(4) = 3; a(n) = n - a(n-a(n-1)) - a(n-a(n-2)) for n > 4.

Table of values

n a(n)
1 1
2 1
3 1
4 3
5 1
6 4
7 2
8 1
9 6
10 1
11 9
12 2
13 1
14 11
15 1
16 14
17 2
18 1
19 16
20 1
21 19
22 2
23 1
24 21
25 1
26 24
27 2
28 1
29 26
30 1
31 29
32 2
33 1
34 31
35 1
36 34
37 2
38 1
39 36
40 1
41 39
42 2
43 1
44 41
45 1
46 44
47 2
48 1
49 46
50 1
51 49
52 2
53 1
54 51
55 1
56 54
57 2
58 1
59 56
60 1
61 59
62 2
63 1
64 61
65 1
66 64
67 2
68 1
69 66
70 1
71 69
72 2
73 1
74 71
75 1
76 74
77 2
78 1
79 76
80 1
81 79
82 2
83 1
84 81
85 1
86 84
87 2
88 1
89 86
90 1
91 89
92 2
93 1
94 91
95 1
96 94
97 2
98 1
99 96
100 1
101 99
102 2
103 1
104 101

List of values

[1, 1, 1, 3, 1, 4, 2, 1, 6, 1, 9, 2, 1, 11, 1, 14, 2, 1, 16, 1, 19, 2, 1, 21, 1, 24, 2, 1, 26, 1, 29, 2, 1, 31, 1, 34, 2, 1, 36, 1, 39, 2, 1, 41, 1, 44, 2, 1, 46, 1, 49, 2, 1, 51, 1, 54, 2, 1, 56, 1, 59, 2, 1, 61, 1, 64, 2, 1, 66, 1, 69, 2, 1, 71, 1, 74, 2, 1, 76, 1, 79, 2, 1, 81, 1, 84, 2, 1, 86, 1, 89, 2, 1, 91, 1, 94, 2, 1, 96, 1, 99, 2, 1, 101]